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Publication year
2004Source
Biological Psychology, 66, 2, (2004), pp. 129-152ISSN
Publication type
Article / Letter to editor

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Organization
SW OZ DCC SMN
SW OZ DCC AI
Former Organization
SW OZ NICI BI
SW OZ NICI CO
Journal title
Biological Psychology
Volume
vol. 66
Issue
iss. 2
Page start
p. 129
Page end
p. 152
Subject
Cognitive artificial intelligence; Cognitive neuroscienceAbstract
In this study, we investigated how rhythms are processed in the brain by measuring both behaviourally obtained ratings and auditory evoked potentials (AEPs) from the EEG. We presented probe beats on seven positions within a test bar. Two bars of either a duple- or triple meter rhythm preceded probe beats. We hypothesised that sequential processing would lead to meter effects at the 1/3 and 1/2 bar positions, whereas hierarchical processing would lead to context effects on the 1/3, 1/2 and 2/3 bar positions. We found that metric contexts affected behavioural ratings. This effect was more pronounced for rhythmic experts. In addition, both the AEP P3a and P3b component could be identified. Though metric context affected the P3a amplitudes, group effects were less clear. We found that the AEP P3a component is sensitive to violation of temporal expectancies. In addition, behavioural data and P3a correlation coefficients (CCs) suggest that temporal patterns are processed sequentially in nonmusicians but are processed in a hierarchical way in rhythmic experts.
This item appears in the following Collection(s)
- Academic publications [227883]
- Electronic publications [107344]
- Faculty of Social Sciences [28471]
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